THE FLORA OF HALIFAX. 27 



Trifolium medium, L. — 106. Meadow Clover. 

 Native. British type. P. June-August. 

 1775. In a field by Illingworth Chapel, several fields about 



Rastrick, several fields about Northowram. — J. B. 

 1888. Todmorden. — Lees Flora. 



Infrequent on banks, &c. : Elland, Luddenden Dean, Rish- 

 worth, Cragg Vale, Hebden Bridge. 



Trifolium incaruatum, L. Crimson Clover. 

 Alien. A. June-July. 



Rare, in cultivated fields : Lightcliffe (1885), Butts Green, 

 Warley, (1896). 



Trifolium arvense L. - 94. Hare's-foot Trefoil. 

 Native ? British type. A. July-August. 

 1854. Came up in the garden (Lane House). — Herb. S. K. 

 1862. Brighouse. — MialVs Flora. 



Trifolium hybridum, L. Alsike Clover. 

 Alien. P. June-August. 

 Infrequent and increasing; a recent introduction ; no record 

 before 1886 : Ovenden ; Wheatley ; railway bank, Elland ; 

 Tag Lock ; Luddenden. 



Trifolium repens, L.— 112. White Clover. 

 Native. British type. P. June-October. 

 1867. Shibden.— /. Walker. 

 Very common in meadows, pastures, roadsides, &c. 



Trifolium procumbens, L.— 105. Hop Trefoil. 

 Native. British type. A. June-August. 

 1867. Near Limed House, Shibden.—/. W. (Probably 

 the next species is meant). 



Rare, though perhaps confused with the next : Wyke, 1890. 



Trifolium dubium, Sibth.— 109. (T. minus, Sm.) Lesser 

 Yellow Trefoil. 

 Native. British type. A. June- August. 

 Common in pastures, &c. : Lightcliffe, Shibden, Elland, 

 Norland, Hebden Bridge, &c. 



Anthyllis Yulneraria, L. — 105. Kidney Vetch. 

 Native. British type. P. June-August. 



1819. In a field at Marsh Delves in Southowram. — Herb. 

 Leyland. The only record for the Calder valley. 



